Dust extractor
US10857643B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Sep 11, 2018 |
| Grant date | Dec 8, 2020 |
| Priority date | — |
| Expiry date | Sep 19, 2038 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB25D2250/265
- WIPO fieldMachine tools
- WIPO sectorMechanical engineering
Abstract
A dust extractor is provided including a main housing, a telescopic tubular extension arm comprising a first forward section slidable into or out of a second rear section over a stroke length between a first inner position and a second outer position, the second rear section being mounted onto the main housing, a shroud mounted on one end of the first forward section remote from the second rear section, a biasing force arranged to urge the first forward section to slide out of the second rear section towards the second outer position, and a dust collection box mounted on the main housing. The stroke length of the telescopic extension arm is greater than 150 mm.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.